Welding helmet



FIG. 1 is a top, front, right side perspective view of a welding helmet showing my new design;

FIG. 2 is a top plan view of the welding helmet shown in FIG. 1;

FIG. 3 is a bottom plan view of the welding helmet shown in FIG. 1;

FIG. 4 is a front elevational view of the welding helmet shown in FIG. 1;

FIG. 5 is a rear elevational view of the welding helmet shown in FIG. 1;

FIG. 6 is a left side elevational view of the welding helmet shown in FIG. 1; and,

FIG. 7 is a right side elevational view of the welding helmet shown in FIG. 1.

In the drawings, the broken lines in FIGS. 1-7 depict portions of the design that form no part of the claim. 

CLAIM The ornamental design for a welding helmet, as shown and described. 